This paper systematically compares two axial flux permanent magnet (AFPM) machines designed for a university student racing car application: a double-rotor single-stator yokeless and segmented armature (YASA) structure, and a single- stator single-rotor configuration. Both machines are optimized for minimum loss and active weight using 3D finite element analysis and the highest performing candidate designs are compared in more detail. The studies indicate that the benefits offered by the YASA configuration over the single-stator single-rotor machine are achieved only for specific designs that are heavier. For the design space with lower mass, albeit with increased losses, the Pareto front designs overlap which shows the performance of the two machines is very close to each other.

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Conference Proceeding

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Notes/Citation Information

Published in 2019 IEEE Energy Conversion Congress and Exposition (ECCE).

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The document available for download is the authors’ manuscript version that is accepted for publication. The final published version is copyrighted by IEEE and will be available as: N. Taran, G. Heins, V. Rallabandi, D. Patterson, and D.M. Ionel, “Systematic Comparison of Two Axial Flux PM Machine Topologies: Yokeless and Segmented Armature versus Single Sided,” 2019 IEEE Energy Conversion Congress and Expo (ECCE), Baltimore, MD, 2019, pp. 1-6.

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Funding Information

The support of Regal Beloit Corporation, ANSYS Inc.,University of Kentucky, the L. Stanley Pigman endowment and the SPARK program is gratefully acknowledged.